1.

A ball falls from a building and covers 5m in 10s. What is the acceleration?

A. 0.1 m/s<sup>2</sup>
B. 0.2 m/s<sup>2</sup>
C. 9.81 m/s<sup>2</sup>
D. 10 m/s<sup>2</sup>
Answer» B. 0.2 m/s<sup>2</sup>


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